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Medical Oncology

Brenda M. Sandmaier, MD

Sees patients in Seattle, WA · Washington

Summary

Dr. Brenda M. Sandmaier, MD is an oncologist at 1959 NE Pacific St, Seattle, WA 98195. Phone: (206) 598-4333. Accepts Medicare assignment. NPI 1003906967. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 1959 NE Pacific St, Seattle, WA 98195 · Directions
  • Phone: (206) 598‑4333
  • Medicare: Accepts Medicare assignment
  • Group practice: The Association of University Physicians
  • Medical school: graduated 1983 (43 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Brenda M. Sandmaier, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Brenda M. Sandmaier accept Medicare assignment?
Yes. Medicare's clinician data says Brenda M. Sandmaier accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Brenda M. Sandmaier's NPI number?
1003906967. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Brenda M. Sandmaier is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brenda M. Sandmaier as a member of this group (CMS data updated October 2, 2026).

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Medical Oncology doctors in Washington →

Other oncologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All oncologists in Seattle →

Other clinicians in The Association of University Physicians

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003906967
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians